Q6 of 102 Page 118

Explain the following terms:

Motor nerve .....................

A motor nerve is a nerve that carries command information out of the central nervous system and toward effectors (muscles or glands) that will execute the commands. It is an enclosed, cable-like bundle of efferent nerve fibers (the axons of motor neurons) in the peripheral nervous system.


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4

Given below are two structures, write their special functional activity.

(a) Cerebellum and ...................


(b) Myelin sheath and ................

 5

State the functions of the following:

(a) Synapse


(b) Association neuron


(c) Medullary sheath


(d) Medulla oblongata


(e) Cerebellum


(f) Cerebrospinal fluid.

 6

Explain the following terms:

Autonomic nervous system .............

 6

Explain the following terms:

Conditioned reflex ..................